The Givi AF49B AIRFLOW UNIVERSAL Windscreen features a large adjustable spoiler for fine tuning the deflection of wind. 

The Givi Universal Airflow mounts to the handlebars using an included fit kit.
Height is infinitely adjustable along a path of 12cm (4.7").
Maximum height at full extension is 52.8cm (20.9").

Upper portion is detachable for increased airflow during warmer months.

Features:

• Clear
• 2 point handlebar mount (compatible with 7/8" handlebars)
• 2 point fork mount
• 20.9" maximum height (with 4.7" of extension)
• 20.5" wide